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neigh: wrap proc dointvec functions 

This will be needed later on to provide better management of default values.

Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2013-12-07 19:26:54 +01:00 committed by David S. Miller
parent 1f9248e560
commit cb5b09c17f
3 changed files with 59 additions and 15 deletions
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9
include/net/neighbour.h
View File

@ -296,6 +296,15 @@ void *neigh_seq_start(struct seq_file *, loff_t *, struct neigh_table *,
void *neigh_seq_next(struct seq_file *, void *, loff_t *);
void neigh_seq_stop(struct seq_file *, void *);
int neigh_proc_dointvec(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos);
int neigh_proc_dointvec_jiffies(struct ctl_table *ctl, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos);
int neigh_proc_dointvec_ms_jiffies(struct ctl_table *ctl, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos);
int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p,
char *p_name, proc_handler *proc_handler);
void neigh_sysctl_unregister(struct neigh_parms *p);

55
net/core/neighbour.c
View File

@ -2825,6 +2825,43 @@ static int neigh_proc_dointvec_zero_intmax(struct ctl_table *ctl, int write,
return proc_dointvec_minmax(&tmp, write, buffer, lenp, ppos);
}
int neigh_proc_dointvec(struct ctl_table *ctl, int write,
void __user *buffer, size_t *lenp, loff_t *ppos)
{
return proc_dointvec(ctl, write, buffer, lenp, ppos);
}
EXPORT_SYMBOL(neigh_proc_dointvec);
int neigh_proc_dointvec_jiffies(struct ctl_table *ctl, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
return proc_dointvec_jiffies(ctl, write, buffer, lenp, ppos);
}
EXPORT_SYMBOL(neigh_proc_dointvec_jiffies);
static int neigh_proc_dointvec_userhz_jiffies(struct ctl_table *ctl, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
return proc_dointvec_userhz_jiffies(ctl, write, buffer, lenp, ppos);
}
int neigh_proc_dointvec_ms_jiffies(struct ctl_table *ctl, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
return proc_dointvec_ms_jiffies(ctl, write, buffer, lenp, ppos);
}
EXPORT_SYMBOL(neigh_proc_dointvec_ms_jiffies);
static int neigh_proc_dointvec_unres_qlen(struct ctl_table *ctl, int write,
void __user *buffer,
size_t *lenp, loff_t *ppos)
{
return proc_unres_qlen(ctl, write, buffer, lenp, ppos);
}
#define NEIGH_PARMS_DATA_OFFSET(index) \
(&((struct neigh_parms *) 0)->data[index])
@ -2841,19 +2878,19 @@ static int neigh_proc_dointvec_zero_intmax(struct ctl_table *ctl, int write,
NEIGH_SYSCTL_ENTRY(attr, attr, name, 0644, neigh_proc_dointvec_zero_intmax)
#define NEIGH_SYSCTL_JIFFIES_ENTRY(attr, name) \
NEIGH_SYSCTL_ENTRY(attr, attr, name, 0644, proc_dointvec_jiffies)
NEIGH_SYSCTL_ENTRY(attr, attr, name, 0644, neigh_proc_dointvec_jiffies)
#define NEIGH_SYSCTL_USERHZ_JIFFIES_ENTRY(attr, name) \
NEIGH_SYSCTL_ENTRY(attr, attr, name, 0644, proc_dointvec_userhz_jiffies)
NEIGH_SYSCTL_ENTRY(attr, attr, name, 0644, neigh_proc_dointvec_userhz_jiffies)
#define NEIGH_SYSCTL_MS_JIFFIES_ENTRY(attr, name) \
NEIGH_SYSCTL_ENTRY(attr, attr, name, 0644, proc_dointvec_ms_jiffies)
NEIGH_SYSCTL_ENTRY(attr, attr, name, 0644, neigh_proc_dointvec_ms_jiffies)
#define NEIGH_SYSCTL_MS_JIFFIES_REUSED_ENTRY(attr, data_attr, name) \
NEIGH_SYSCTL_ENTRY(attr, data_attr, name, 0644, proc_dointvec_ms_jiffies)
NEIGH_SYSCTL_ENTRY(attr, data_attr, name, 0644, neigh_proc_dointvec_ms_jiffies)
#define NEIGH_SYSCTL_UNRES_QLEN_REUSED_ENTRY(attr, data_attr, name) \
NEIGH_SYSCTL_ENTRY(attr, data_attr, name, 0644, proc_unres_qlen)
NEIGH_SYSCTL_ENTRY(attr, data_attr, name, 0644, neigh_proc_dointvec_unres_qlen)
static struct neigh_sysctl_table {
struct ctl_table_header *sysctl_header;
@ -2921,8 +2958,10 @@ int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p,
if (!t)
goto err;
for (i = 0; i < ARRAY_SIZE(t->neigh_vars); i++)
for (i = 0; i < ARRAY_SIZE(t->neigh_vars); i++) {
t->neigh_vars[i].data += (long) p;
t->neigh_vars[i].extra1 = dev;
}
if (dev) {
dev_name_source = dev->name;
@ -2940,16 +2979,12 @@ int neigh_sysctl_register(struct net_device *dev, struct neigh_parms *p,
if (handler) {
/* RetransTime */
t->neigh_vars[NEIGH_VAR_RETRANS_TIME].proc_handler = handler;
t->neigh_vars[NEIGH_VAR_RETRANS_TIME].extra1 = dev;
/* ReachableTime */
t->neigh_vars[NEIGH_VAR_BASE_REACHABLE_TIME].proc_handler = handler;
t->neigh_vars[NEIGH_VAR_BASE_REACHABLE_TIME].extra1 = dev;
/* RetransTime (in milliseconds)*/
t->neigh_vars[NEIGH_VAR_RETRANS_TIME_MS].proc_handler = handler;
t->neigh_vars[NEIGH_VAR_RETRANS_TIME_MS].extra1 = dev;
/* ReachableTime (in milliseconds) */
t->neigh_vars[NEIGH_VAR_BASE_REACHABLE_TIME_MS].proc_handler = handler;
t->neigh_vars[NEIGH_VAR_BASE_REACHABLE_TIME_MS].extra1 = dev;
}
/* Don't export sysctls to unprivileged users */

10
net/ipv6/ndisc.c
View File

@ -1655,16 +1655,16 @@ int ndisc_ifinfo_sysctl_change(struct ctl_table *ctl, int write, void __user *bu
ndisc_warn_deprecated_sysctl(ctl, "syscall", dev ? dev->name : "default");
if (strcmp(ctl->procname, "retrans_time") == 0)
ret = proc_dointvec(ctl, write, buffer, lenp, ppos);
ret = neigh_proc_dointvec(ctl, write, buffer, lenp, ppos);
else if (strcmp(ctl->procname, "base_reachable_time") == 0)
ret = proc_dointvec_jiffies(ctl, write,
buffer, lenp, ppos);
ret = neigh_proc_dointvec_jiffies(ctl, write,
buffer, lenp, ppos);
else if ((strcmp(ctl->procname, "retrans_time_ms") == 0) ||
(strcmp(ctl->procname, "base_reachable_time_ms") == 0))
ret = proc_dointvec_ms_jiffies(ctl, write,
buffer, lenp, ppos);
ret = neigh_proc_dointvec_ms_jiffies(ctl, write,
buffer, lenp, ppos);
else
ret = -1;